MESOSCALE DISCUSSION 2235
NWS STORM PREDICTION CENTER NORMAN OK
0253 PM CDT FRI SEP 17 2004
AREAS AFFECTED...NERN NC THROUGH CNTRL...ERN AND NRN VA
CONCERNING...TORNADO WATCH 833...
VALID 171953Z - 172200Z
THE THREAT OF ISOLATED TORNADOES WILL PERSIST ACROSS NERN NC INTO
MUCH OF THE ERN HALF OF VA THROUGH EARLY-MID EVENING. THE GREATEST
THREAT NEXT COUPLE HOURS IS EXPECTED ACROSS CNTRL THROUGH NRN VA.
STRONGEST FORCING FOR ASCENT ACCOMPANIED BY STRONG PRESSURE FALLS
CONTINUES SPREADING NEWD WITH TIME THROUGH VA. THIS FORCING FOR
ASCENT HAS BECOME CO-LOCATED WITH AREA OF MAXIMUM DESTABILIZATION
AND SHOULD SUSTAIN CONVECTIVE INTENSITY THROUGH WW 833 NEXT FEW
HOURS AS STORMS SPREAD ENEWD. TENDENCY HAS BEEN FOR THE LOW LEVEL
FLOW TO BACK TO SELY ACROSS CNTRL AND ERN VA...COINCIDENT WITH AREA
OF STRONGEST PRESSURE FALLS. THOUGH THE TORNADO THREAT WILL PERSIST
SWD INTO ERN NC...GREATEST THREAT APPEARS TO BE ACROSS VA PORTION OF
WW 833 NEXT COUPLE HOURS.
..DIAL.. 09/17/2004
ATTN...WFO...AKQ...MHX...LWX...RAH...
38997658 37227594 35687603 34937740 37297808 38807846